Instructional Video1:05
Brian McLogan

What is an acute triangle

12th - Higher Ed
πŸ‘‰ Learn the essential definitions of triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of their angles or on the basis of their side lengths. The classification of triangles on the bases of their...
Instructional Video1:13
Brian McLogan

How does the pythagorean inequality theorem prove acute triangles

12th - Higher Ed
Learn about the Pythagorean theorem. The Pythagoras theorem is a fundamental relation among the three sides of a right triangle. It is used to determine the missing length of a right triangle. The Pythagoras theorem states that the...
Instructional Video6:53
Brian McLogan

Writing a proof for an acute triangle

12th - Higher Ed
πŸ‘‰ Learn how to write a proof given a triangle. A triangle is a polygon with three sides. A proof is a series of statements and reasons that establishes the truth of a mathematical claim(statement). To write a proof given a triangle, we...
Instructional Video3:39
TED-Ed

TED-Ed: Daniel Finkel: Can you solve the unstoppable blob riddle?

Pre-K - Higher Ed
A shooting star crashes onto Earth and a hideous blob emerges. It creeps and leaps, it glides and slides. It's also unstoppable: no matter what you throw at it, it just re-grows and continues its rampage. The only way to save the planet...
Instructional Video3:09
Wonderscape

Classifying Triangles by Their Angles: Acute, Right, and Obtuse

K - 5th
Triangles can also be classified based on their angles. An acute triangle has all three angles less than 90 degrees, a right triangle has one angle exactly 90 degrees, and an obtuse triangle has one angle greater than 90 degrees. No...
Instructional Video3:01
Curated Video

Angle Properties in Triangles

K - 12th
Identifying special types of triangles based on the angle properties such as right triangles, obtuse triangles, and acute triangles.
Instructional Video1:55
NUMBEROCK

Triangles

K - 5th
Skateboards, mountain climbing, billiards' Don't you just love this stuff? That's why NUMBEROCK put it all into this song about triangles that is filled with real-world connections. Triangles are all around us, so it is easy to make this...
Instructional Video1:38
Brian McLogan

What is an obtuse triangle

12th - Higher Ed
πŸ‘‰ Learn the essential definitions of triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of their angles or on the basis of their side lengths. The classification of triangles on the bases of their...
Instructional Video0:51
Brian McLogan

What is a scalene triangle

12th - Higher Ed
πŸ‘‰ Learn the essential definitions of triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of their angles or on the basis of their side lengths. The classification of triangles on the bases of their...
Instructional Video1:07
Brian McLogan

What is a right triangle

12th - Higher Ed
πŸ‘‰ Learn the essential definitions of triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of their angles or on the basis of their side lengths. The classification of triangles on the bases of their...
Instructional Video0:50
Brian McLogan

What is an equiangular triangle

12th - Higher Ed
πŸ‘‰ Learn the essential definitions of triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of their angles or on the basis of their side lengths. The classification of triangles on the bases of their...
Instructional Video0:51
Brian McLogan

What is an isosceles triangle

12th - Higher Ed
πŸ‘‰ Learn the essential definitions of triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of their angles or on the basis of their side lengths. The classification of triangles on the bases of their...
Instructional Video0:56
Brian McLogan

What is an equilateral triangle

12th - Higher Ed
πŸ‘‰ Learn the essential definitions of triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of their angles or on the basis of their side lengths. The classification of triangles on the bases of their...
Instructional Video1:02
Brian McLogan

How to label a triangle as acute obtuse, right or equiangular

12th - Higher Ed
πŸ‘‰ Learn how to classify triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of its angles or on the basis of its side lengths. The classification of triangles on the bases of its angles are: acute,...
Instructional Video1:12
Brian McLogan

How does the pythagorean inequality theorem prove obtuse triangles

12th - Higher Ed
Learn about the Pythagorean theorem. The Pythagoras theorem is a fundamental relation among the three sides of a right triangle. It is used to determine the missing length of a right triangle. The Pythagoras theorem states that the...
Instructional Video3:47
Brian McLogan

Based on the angles of a triangle learn how to classify the triangle ex

12th - Higher Ed
πŸ‘‰ Learn how to classify triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of its angles or on the basis of its side lengths. The classification of triangles on the bases of its angles are: acute,...
Instructional Video4:45
Curated Video

Classify Triangles by Angle Type

K - 5th
Understand the different types of angles of triangles, such as right angles, obtuse angles, and acute angles. We then demonstrate how to identify and sort triangles into these categories.
Instructional Video0:50
Brian McLogan

Given the angles of a triangle learn how to classify the triangle ex 3

12th - Higher Ed
πŸ‘‰ Learn how to classify triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of its angles or on the basis of its side lengths. The classification of triangles on the bases of its angles are: acute,...
Instructional Video0:55
Brian McLogan

Learn how to classify a triangle based on the number of sides ex 1

12th - Higher Ed
πŸ‘‰ Learn how to classify triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of its angles or on the basis of its side lengths. The classification of triangles on the bases of its angles are: acute,...
Instructional Video4:35
Curated Video

Classifying Triangles using the Pythagorean Theorem

K - 5th
Learn about the characteristics of right, acute, and obtuse triangles. This video demonstrates how to determine if a triangle is right using the theorem and highlights common mistakes students make.
Instructional Video7:29
Curated Video

Review for You: Classifying Lines, Angles, and Triangles

K - 8th
Mr. Addit reviews points, lines, angles, and triangles and how to classify them.
Instructional Video4:55
Curated Video

Let's Talk about Triangles

3rd - Higher Ed
β€œLet’s Talk about Triangles” describes the main types of triangles and explains what makes each type unique.
Instructional Video2:05
Wonderscape

Understanding Perimeter and Area of Triangles

K - 5th
The area of a triangle is always calculated using the formula 1/2 Γ— base Γ— height, regardless of whether it is a right, scalene, isosceles, or equilateral triangle. Perimeter and area have practical applications, such as determining the...
Instructional Video4:29
Wonderscape

Finding the Perimeter of a Triangle: Simple Steps and Applications

K - 5th
To determine the perimeter of a triangle, you simply add the lengths of its three sides. Whether it’s a scalene triangle with different side lengths, an isosceles triangle with two equal sides, or an equilateral triangle where all sides...

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